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Constraints in DBMS Quiz Questions and Answers 193 PDF Download

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Quiz on Constraints in DBMS Worksheet 193Quiz PDF Download

Constraints in DBMS Quiz

MCQ: When an entity in set A is associated with at most one entity of set B, cardinality is of type

  1. Many-to-many
  2. One-to-many
  3. One-to-one
  4. Many-to-one


SQL Data Types and Schemas Quiz

MCQ: Time values can be specified as

  1. time "09:30:00"
  2. time ?09:30:00?
  3. time ?09.30.00?
  4. time ?09|30|00?


Modification of Database Quiz

MCQ: In insert and delete, a nested select within an update statement may refer relation that is being

  1. Inserted
  2. Deleted
  3. Updated
  4. Retrieved


View of Data Quiz

MCQ: Language that is widely used to represent semi structured data, is

  1. JAVA
  2. C#
  3. C++
  4. XML


SQL Data Types and Schemas Quiz

MCQ: SQL allows a default value to be specified for an

  1. Instance
  2. Tuple
  3. Relation
  4. Attribute